Sand cleaning device for aluminum alloy intake manifold of automobile engine

The invention discloses a sand cleaning device for an aluminum alloy intake manifold of an automobile engine, and relates to the technical field of automobile casting part machining, the sand cleaning device comprises a waste sand collecting frame, a product placing frame is arranged on one side above the waste sand collecting frame, a bottom plate is arranged in a frame opening of the waste sand collecting frame, and a vibrator is mounted at the bottom of the product placing frame; a product placing frame is arranged above the supporting seat, the bottom surface of the product placing frame is fixedly connected with a universal joint fixing connecting rod, and a transmission mechanism is arranged between the mounting plate and the fixing plate; a sieve plate is hinged to the bottom of the waste sand collecting frame, and a linkage mechanism is arranged in the transmission cavity. Through cooperation of a product placing frame, a waste sand collecting frame, a transmission mechanism and a linkage mechanism, v